IBM System x3950 X6 Product Manual

Also see for System x3950 X6: Installation and service guide Product guide Planning and implementation guide Installation instructions

Contents

IBM System x3950 X6 23I/O expansion optionsThe server supports up to 22 PCIe slots plus two dedicated Mezzanine LOM slots (24 total) as follows:In each of the two Storage Books (standard in all models): Two PCIe 3.0 x8 slots for supportedinternal RAID controllers and SAS HBAsIn each of the two Primary I/O Books (standard in all models):Two PCIe 3.0 x16 slots (x16-wired), half length, full height, up to 75 W of poweroOne PCIe 3.0 x16 (x8-wired), half length, full height, up to 75 W of poweroOne mezzanine LOM 2 (ML2) slot for network adapters with the new ML2 form factor (PCIe 3.0ox8)Four optional I/O Books, each with three slots, all full height. Optional I/O Books are hot-swapcapable.The following figure shows the Primary I/O Book with the air baffle raised to show the internals.Figure 8. Primary I/O BookOptional I/O Books can be either of:Half-length I/O Book:Two PCIe 3.0 x8 slots (x8 wired)oOne PCIe 3.0 x16 slot (x16 wired)oFull-length I/O Book:Two PCIe 3.0 x16 (x16 wired)oOne PCIe 2.0 x8 slot (x4 wired)o